Vacuum cleaner



FIG. 1 is a left front isometric view of a vacuum cleaner showing our new design;

FIG. 2 is front elevation view of the vacuum cleaner of FIG. 1;

FIG. 3 is a rear elevation view of the vacuum cleaner of FIG. 1;

FIG. 4 is a left elevation view of the vacuum cleaner of FIG. 1;

FIG. 5 is a right elevation view of the vacuum cleaner of FIG. 1;

FIG. 6 is a top plan view of the vacuum cleaner of FIG. 1; and,

FIG. 7 is a bottom plan view of the vacuum cleaner of FIG. 1.

In the drawings, the dashed broken lines indicate environmental structure that forms no part of the claimed design, and long dash-short dash-long dash lines denote boundaries of the claimed design. 

CLAIM The ornamental design for a vacuum cleaner, as shown and described. 